CVE-2025-8007 Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability
A concurrent Forward Close operation can cause a Major Non-Recoverable fault, leading to system crashes and loss of availability in Rockwell communication modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8007?
CVE-2025-8007 is a high-severity denial of service vulnerability in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT, published on 9 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.
Weakness: CWE-20
Which versions are affected by CVE-2025-8007?
It affects 5 products.
Products include Rockwellautomation 1756-En2tr Series a Firmware, Rockwellautomation 1756-En2tr Series B Firmware, Rockwellautomation 1756-En2tr Series C Firmware, Rockwellautomation 1756-En4tr Firmware, Rockwellautomation 1756-En4trxt Firmware.
How do I fix CVE-2025-8007?
No fix has been published for CVE-2025-8007 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-8007 being exploited?
There is no known exploitation of CVE-2025-8007 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation 1756-ENT2R, 1756-EN4TR, 1756-EN4TRXT
Sources
Also known as GHSA-424r-cv4h-2fmw.